SSC (English Medium) 10th Standard - Maharashtra State Board Question Bank Solutions for Science and Technology 1

iii) Observe the figure and answer the following questions.
a) Identify the block shown by box A and write an electronic configuration of any one element of this block.
b) Identify the block of element denoted by letter B and write its period number.

For freely falling object we can write the Newton’s second equation of motion as …..

A metal ball of mass 5 kg falls from a height of 490 m. How much time it will take to reach the ground? (g = 9.8 m/s²)

What would be the value of ‘g’ on the surface of the earth if its mass was twice and its radius half of what it is now?

What is the acceleration due to gravity?

What is escape velocity? 

Choose the correct alternative and rewrite the following:

Mirror used by a dental surgeon is ..........................

Explain ‘Electric generator’ with the help of the following points:

1. Diagram of an AC Generator with labelling
2. Principle of an electric generator
3. The function of slip rings
4. Any two uses of a generator.

Answer the following question:
Distinguish between the convex mirror and the concave mirror.

The value of gravitational acceleration (g) is ______.

The free fall of an object is possible only in ______.

Arrange the following elements in order of their decreasing metallic character.

Na, Si, Cl, Mg, Al

The tendency of an element to form cation is the ______ character of that element.

The tendency of an element to form anion is the ______ character of that element.

The frequency of AC is _______.

Alternating current : oscillatory :: Direct current : _______

CH₃–CH₂–CHO : propanal : : CH₃–COOH : _______

Ketone : –CO– : : Ester : _______

Write the molecular formula of the given compound.

Sodium ethanoate